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B2221 Engine Diagnostic Code

Do you have fresh, clean fuel in the tank? If it's empty, fill it up and go! If it's full, check B2221 that the fuel shut-off valve is open and that it is clean. Stale fuel, dirt and debris are the most common cause of outdoor power equipment not starting properly. If you store equipment with untreated gas in the tank, it can lead to engine damage.

B2221 engine code provides below are generic codes that may not apply to all vehicles.
Car manufacturer uses specific B2221 DTC code that are different
from the codes shown below. Foreign vehicles may also use DTC codes
different from the generic Engine Diagnostic codes.

B2221 Diagnostic Trouble Code Meaning And Solution

B

2

2

21

Body Problem

MFG - Manufacturer Specific

Fuel And Air Metering (Injector Circuit Malfunctions Only)

21 Engine Fault Code

Starting letter B diagnostic code shows that there are problems in antilock brake system, electronic suspension and steering systems.
If your "Check Engine Light" is on, it means your vehicle has one or more OBD II Trouble Codes so you have to check your engine diagnostic code tool.
If your vehicle is an older model with a non-electronic Fuel And Air Metering (Injector Circuit Malfunctions Only), you can check the distributor
cap to see whether the spark is getting from there to the coil and on to the spark plugs.

Don't forget ! If your B2221 engine code not resolved on
and there are trouble codes in your computer, your vehicle will not pass an OBD 2
emissions test. The light must be off and there must be no codes in memory to pass an OBD 2
emissions test. In addition, all of the OBD II self-monitors that check for faults must have run and
completed without finding any further problems to pass the test.